Tuesday, August 11, 2015

Sqoop: Same Conditions, Different Results & Lessons Learned

Apache developers created a very useful tool for migrating data between RDBS and non relational system, explicitly Hadoop FS. It became an essential part of the Ecosystem because there was a very small number of companies that were primarily using such a NoSQL solution. To be honest, the main part of companies that were missing a tool for handling large amounts of data were skeptical about using the new "Big Data" technologies.

Thursday, August 6, 2015

Looking for a Job as a Data Scientist? (Checklist included)

Interested in landing a job as a data scientist? You're on the right place, "data scientist" has been called the sexiest job of the 21st century in IT (1). We are bringing a brief description of data scientist position, enclosing some interesting tips and links to sources you should study to skill up your knowledge about data. Don't worry, you don't need to be a genius in calculus. There are many ways that can help you develop specific data skills to match the job you want. Let's start..


Who is a data scientist?

It's a person who uses data to analyze a situation and to answer all question about a specific area. Sean Patrick in his book about Nikola Tesla (2) told that the truth about intelligence and success in life is:

"You have to be smart enough to fulfill the intelectual requirements for success."

Wednesday, August 5, 2015

Chapters from Cryptography - We Love Secrets!

Chapter One


Digital signatures like RSA, DSA, ECDSA are widely spread and used for securing communication and information systems. These can be used also for using pseudonyms and hiding an identity, however, they are monitored and it is possible to find out the user's identity. There are other ways of coding communication however with no need of hiding an identity. In this article I am going to write a little bit about cryptography and then introduce one very interesting topic. People love secrets and even more they love revealing secrets, right? So we're going to discuss Zero-Knowledge Proof today.